211640520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19381}}^1$

素因数の和:19415

約数の個数: 128

約数和(自身を含む): 781482240

約数和(自身を除く): 569841720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 19381, 38762, 58143, 77524, 96905, 116286, 135667, 155048, 193810, 232572, 251953, 271334, 290715, 387620, 407001, 465144, 503906, 542668, 581430, 678335, 755859, 775240, 814002, 1007812, 1085336, 1162860, 1259765, 1356670, 1511718, 1628004, 1763671, 2015624, 2035005, 2325720, 2519530, 2713340, 3023436, 3256008, 3527342, 3779295, 4070010, 5039060, 5291013, 5426680, 6046872, 7054684, 7558590, 8140020, 8818355, 10078120, 10582026, 14109368, 15117180, 16280040, 17636710, 21164052, 26455065, 30234360, 35273420, 42328104, 52910130, 70546840, 105820260, 211640520]

約数ペア:

[(1, 211640520), (2, 105820260), (3, 70546840), (4, 52910130), (5, 42328104), (6, 35273420), (7, 30234360), (8, 26455065), (10, 21164052), (12, 17636710), (13, 16280040), (14, 15117180), (15, 14109368), (20, 10582026), (21, 10078120), (24, 8818355), (26, 8140020), (28, 7558590), (30, 7054684), (35, 6046872), (39, 5426680), (40, 5291013), (42, 5039060), (52, 4070010), (56, 3779295), (60, 3527342), (65, 3256008), (70, 3023436), (78, 2713340), (84, 2519530), (91, 2325720), (104, 2035005), (105, 2015624), (120, 1763671), (130, 1628004), (140, 1511718), (156, 1356670), (168, 1259765), (182, 1162860), (195, 1085336), (210, 1007812), (260, 814002), (273, 775240), (280, 755859), (312, 678335), (364, 581430), (390, 542668), (420, 503906), (455, 465144), (520, 407001), (546, 387620), (728, 290715), (780, 271334), (840, 251953), (910, 232572), (1092, 193810), (1365, 155048), (1560, 135667), (1820, 116286), (2184, 96905), (2730, 77524), (3640, 58143), (5460, 38762), (10920, 19381)]